* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-pure: #000000;
    --bg-card: #0a0a0a;
    --bg-hover: #141414;
    --text-main: #ffffff;
    --text-dim: #a3a3a3;
    --border: #1f1f1f;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-pure);
    color: var(--text-main);
    min-height: 100vh;
    line-height: 1.6;
}

/* Header */
header {
    background-color: rgba(0, 0, 0, 0.9);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -1px;
    text-transform: uppercase;
}

.search-bar {
    flex: 1;
    max-width: 500px;
    margin: 0 2rem;
}

.search-bar input {
    width: 100%;
    padding: 0.6rem 1.2rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--bg-card);
    color: var(--text-main);
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.search-bar input:focus {
    outline: none;
    border-color: var(--text-dim);
}

.search-bar input::placeholder {
    color: var(--text-dim);
}

/* Main Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Categories Nav */
.categories-nav {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 3rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.categories-nav::-webkit-scrollbar {
    height: 2px;
}

.categories-nav::-webkit-scrollbar-thumb {
    background: var(--border);
}

.category-btn {
    padding: 0.5rem 1.2rem;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-dim);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.category-btn:hover,
.category-btn.active {
    background: var(--text-main);
    color: var(--bg-pure);
    border-color: var(--text-main);
}

/* Category Section */
.category-section {
    margin-bottom: 4rem;
}

.category-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.category-title::after {
    content: "";
    height: 1px;
    background: var(--border);
    flex: 1;
}

/* Games Grid */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

.game-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    cursor: pointer;
}

.game-card:hover {
    transform: scale(1.03);
    border-color: var(--text-dim);
    background: var(--bg-hover);
}

.game-card-image {
    aspect-ratio: 16/10;
    background: #111;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.game-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(20%);
    transition: filter 0.3s ease;
}

.game-card:hover .game-card-image img {
    filter: grayscale(0%);
}

.game-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.game-card:hover .game-card-overlay {
    opacity: 1;
}

.play-btn {
    background: var(--text-main);
    color: var(--bg-pure);
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.2s ease;
}

.play-btn:hover {
    opacity: 0.9;
}

.game-card-content {
    padding: 1rem;
}

.game-card-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 3rem 2rem;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.8rem;
}

footer p {
    letter-spacing: 1px;
}

/* Mobile */
@media (max-width: 768px) {
    .header-container {
        padding: 0 1rem;
    }

    .search-bar {
        margin: 0 1rem;
    }

    .games-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 1rem;
    }

    .container {
        padding: 1rem;
    }

    .category-title {
        font-size: 1rem;
    }
}